拝啓、嘘吐きな僕たちより。 /鏡音レン

Recording by Usagi 3.

Recording identifiers

ISRC
JP92Q2401177
CopyrightID (CopyrightChains transaction hash)
0xdaeac81a483820d76064897d8e42602c33c6c6eb189ef3321d1074e0707ec667
Copyright registration time
2026-06-08T19:31:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:af827fb56d3253939adfc8bd7db2d3eb716be80018af6b47e0d803a00502106d

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.